27 Utility and 9 Design Patents
#1,680 in Beijing
#3,937 in China
#108,395 in the World
rank by utility patentsForward Citations = 255
Company Filing History:
Shanghai Hugong Electric (group) Co., Ltd.

Emc IP Holding Company LLC
4. 4 out of 514

5. 3 out of 607

where one patent can have more than one assignee
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